ECS K8T890-A, Manual, Page: 8 / 93

2
Introducing the Motherboard
Feature
Processor
K8T890-A uses a 939-pin socket that carries the following features:
• Supports AMD K8 processors with HyperTransport Technology
• Transfer rate of 2000/1600/1200/800/400 MT/s
The VIA K8T890 Northbridge (NB) and VIA VT8237 Southbridge (SB) chipset is based
on an innovative and scalable architecture with proven reliability and performance.
K8T890
(NB)
• 1000/800/600/400/200 MHz clock rates with Double Data
Rate-style operation for 2000/1600/1200/800/400 MT/s in
both directions simultaneously
• Supports 66 MHz, 8x/4x transfer modes, Ultra V-Link Host
interface with 1 GB/s total bandwidth
• Supports asynchronous interface between HyperTransport
and PCI Express
• Compliant with advanced high bandwidth PCI Express 1.0a
VT8237
(SB)
Memory
• Supports DDR400/333/266 memory types with Dual-channel architecture
• Accommodates two unbuffered 2.5V 184-pin DDR SDRAM DIMM sockets
• A total maximum capacity 2 GB
Audio CODEC
• Supports 16-bit 66 MHz V-Link Host interface with total
bandwidth of 1066 MB/s
• Compliant with PCI 2.2 specification at 33 MHz, supporting
up to 6 PCI masters
• Integrated Dual channel UltraDMA 133/100/66 Master Mode
EIDE Controller
• USB 2.0 Controller, supporting for 8 USB 2.0 ports
• Integrated keyboard Controller with PS2 mouse support
Chipset
HyperTransport Technology is a point-to-point link between two devices, it enables
integrated circuits to exchange information at much higher speeds than currently avail-
able interconnect technologies.
• Meets Microsoft WHQL/WLP 2.0 audio requirements
• Compliant with AC’97 v2.3 specification
• High quality differential CD input
• Supports double sampling rate (96KHz) of DVD audio playback
• Direct Sound 3D TM compatible